This config was defined with the default value of 8 MiB. However, the default value is different when CONFIG_ARM64 is enabled and should be 64 MiB. Remove this config from the A53 defconfig and use the correct default config. Signed-off-by: Daniel Schultz <d.schultz@phytec.de> Reviewed-by: Mattijs Korpershoek <mkorpershoek@kernel.org>